Ron Harper Jr. is an American professional basketball player currently on a two-way contract with the Boston Celtics and the Maine Celtics of the NBA G League. A 6 ft 5 in small forward and shooting guard wearing No. 13, he went undrafted in 2022 after playing college basketball at Rutgers, where he helped lead the Scarlet Knights to their first NCAA Tournament appearance in 30 years. This tag page gathers news, game reports, interviews, and career updates covering his progression from the Toronto Raptors and Raptors 905 to the Motor City Cruise, including his record-setting 11 three-pointers in a single G League game, his first NBA start against the Houston Rockets in February 2026, and his promotion to a standard two-year NBA contract with Boston in April 2026.